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Thu Sep 09 1999, George Russell ->
> This is very much better than what we have already, but I'll make
> the following quibbles anyway:
> (1) it should be possible to view all the specifications for a module
> in one big HTML page. (It looks like this one is meant to occupy
> a page all to itself.) Otherwise it is tiresome searching to see
> if the function I want is there.
Of course we should have both. A page with types and one-line
descriptions for each functin in the module, and a page with more info
on a specific function (or small group of functions).
> (2) I think we can assume that the user who doesn't yet understand
> laziness shouldn't be worried about it. On the other hand,
> the user who does will probably assume anyway that where=20
> it makes sense, the function will cope even in the presence of
> undefined values. So get rid of mentions of infinite lists and
> the second and third examples.
Well, I agree on this, more relevant would be to explain limitations, if
a lazy list /cannot/ be used, then it must be explained.
> (3) The information "No filtering is done; every input appears as an
> output" is also redundant. If there was filtering, you would
> certainly say so, and even the naive would realise this.
Same goes for this.
In the case of unzip, you could also mention it's counterpart, zip.
Maybe have the example:
uncurry zip . unzip =3D id
_but_ (if the lists are of different length)
unzip . uncurry zip !=3D id=20
n.
--=20
[ http://www.dtek.chalmers.se/~d95mback/ ] [ PGP: 0x453504F1 ] [ UIN: 44394=
98 ]
Opinions expressed above are mine, and not those of my future employees.
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